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Cited by 588

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IGF and FGF cooperatively establish the regulatory stem cell niche of pluripotent human cells in vitro

Open access
Bendall, Sean C., Stewart, Morag H., Menendez, Pablo, George, Dustin, Vijayaragavan, Kausalia, Werbowetski-Ogilvie, Tamra, Ramos-Mejia, Veronica, Rouleau, Anne, Yang, Jiabi, Bossé, Marc, Lajoie, Gilles, Bhatia, Mickie·2007·Nature

Abstract

Distinctive properties of stem cells are not autonomously achieved, and recent evidence points to a level of external control from the microenvironment. Here, we demonstrate that self-renewal and pluripotent properties of human embryonic stem (ES) cells depend on a dynamic interplay between human ES cells and autologously derived human ES cell fibroblast-like cells (hdFs). Human ES cells and hdFs are uniquely defined by insulin-like growth factor (IGF)- and fibroblast growth factor (FGF)-dependence. IGF 1 receptor (IGF1R) expression was exclusive to the human ES cells, whereas FGF receptor 1 (FGFR1) expression was restricted to surrounding hdFs. Blocking the IGF-II/IGF1R pathway reduced survival and clonogenicity of human ES cells, whereas inhibition of the FGF pathway indirectly caused differentiation. IGF-II is expressed by hdFs in response to FGF, and alone was sufficient in maintaining human ES cell cultures. Our study demonstrates a direct role of the IGF-II/IGF1R axis on human ES cell physiology and establishes that hdFs produced by human ES cells themselves define the stem cell niche of pluripotent human stem cells.

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Metadata

Authors
Bendall, S. C., Stewart, M. H., Menendez, P., George, D., Vijayaragavan, K., Werbowetski-Ogilvie, T., Ramos-Mejia, V., Rouleau, A., Yang, J., Bossé, M., Lajoie, G., & Bhatia, M.
Venue
Nature
Published
2007-07-11
Volume
448
Issue
7157
Pages
1015-1021
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2082292567
Cited by
588
References
1
FWCI
23.71
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: IGF and FGF cooperatively establish the regulatory stem cell niche of pluripotent human cells in vitro. https://app.cochat.ai/papers/10.1038/nature06027
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Bendall, S. C., Stewart, M. H., Menendez, P., George, D., Vijayaragavan, K., Werbowetski-Ogilvie, T., Ramos-Mejia, V., Rouleau, A., Yang, J., Bossé, M., Lajoie, G., & Bhatia, M. (2007). IGF and FGF cooperatively establish the regulatory stem cell niche of pluripotent human cells in vitro. Nature. https://doi.org/10.1038/nature06027

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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